For the U.S., Kerry is to sign the agreement Friday and then President Obama will ratify it before he leaves office in December, a senior U.S. official told CBS News in a conference call this week.
Time Frame. The average dolphin species can stay underwater for as long as eight to 10 minutes; some can remain submerged while holding their breath for 15 minutes. Dolphins breathe through their blowhole, which has a muscular flap that covers it when they go under water, keeping water out of their lungs. Size.
They mostly <b>stay underwater</b> for 3 to 8 minutes. However, longer periods of up to 30 minutes50 to 80 minutes<b>A:</b>a whale <i>can</i> stay under water for more than a hour. it can stay in water for about 50-80 minutes.Up to 30 min. <br /> The Sperm whale can hold its breath for up to 90 minutes.